Justin Bieber: "Don't Have Sex Until You're In Love"

Justin Bieber has told Selena Gomez[/uuid], told the publication: "I don't think you should have sex with anyone unless you love them. I think you should just wait for the person you're… in love with."

Biebs also told the magazine that he feels much more mature since he turned 18 in March: "I feel like I carry myself in a more manly way. I don't carry myself as a boy."

Justin also hit the headlines this week after admitting that while he may have been "an accident", he has a great relationship with his mother Pattie Mallette - who gave birth to him aged just 18.

He told 2Day FM’s Kyle and Jackie O show: "She’s amazing... I was definitely an accident, it’s great my mom is super young, she’s a friend and a mom, she’s always been really strict, she’s still keeps me in line."

JB appears on the cover of Rolling Stone which will hit newsstands on Friday (July 20).